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Stellar Occultation by (27605) 2001 HN9 on 2024-12-03 (19:42:06 UT)

CTU: Cross-track uncertainty (zero means: use the nominal prediction value, see event details below). Offsets and CTU all in mas.


Event Details
 Occultation UUID [and db] : b7c0cb90-ddb5-11f0-547e-0f175ee1e1f9 [observed]

 Occultation Date + Time   : 2024-12-03 at 19:42:06 UT +/- 0.01 min  [1]
 Object Designation        : (27605) 2001 HN9
 Star Designation          : GDR3 3431338334437433600
 Star Coordinates (ICRF)   : RA = 06 02 10.3549, DE = +28 08 30.104  [2]
 Star Magnitudes           : G = 8.97 mag, RP = 8.22 mag, BP = 9.58 mag
 Object Magnitude          : V = 18.47 mag
 Estimated Magnitude Drop  : 9.5 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 13.7 km/s
 Object Mean Diameter      : 6.2 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.5017 arcs/min @ PA = 286 deg
 Horizontal Parallax       : 3.8920 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 168° (sunlit = 7%), Sun = 161°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.19 path-width (1-sig)
 RUWE and duplicate source : 1.18 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL48
 Note                      : FP:true

 
 [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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